490269578 has 8 divisors (see below), whose sum is σ = 774109920. Its totient is φ = 232232940.

The previous prime is 490269569. The next prime is 490269581. The reversal of 490269578 is 875962094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×490269578² = 480728518224596168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6450878 + ... + 6450953.

It is an arithmetic number, because the mean of its divisors is an integer number (96763740).

Almost surely, 2^490269578 is an apocalyptic number.

490269578 is a deficient number, since it is larger than the sum of its proper divisors (283840342).

490269578 is a wasteful number, since it uses less digits than its factorization.

490269578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901852.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 490269578 is about 22142.0319302452. The cubic root of 490269578 is about 788.5180667819.

The spelling of 490269578 in words is "four hundred ninety million, two hundred sixty-nine thousand, five hundred seventy-eight".